<div id="main_container">
  <div id="gallery_top">
    <?= $gallery; ?>
  </div>
  <div id="logo_top">
    <?= $logo; ?>
  </div>
  <div id="center_panel">
    <?= $center_content; ?>
  </div>
  <div id="menu_panel">
    <?= $menu; ?>
  </div>
  <div id="footer">
    <?= $footer; ?>
  </div>
</div>